Provides a low-cost lead-free solution for the sporting ammunition industry.This projectile is a sponge alloy of iron/copper core and wrapped in a nylon jacket to increase cartridge efficiency, less blow-by, less barrel wear, and less fouling to keep you shooting longer, safer, and at a super affordable price.These rounds are high speed, paper punching, steel clanging, environment saving, and guaranteed to let your freedom ring! *not compatible with steel trap indoor/outdoor ranges.Specifications:10mm auto/125 gr/lead free ball/50 per box/20 csCaliber: 10mm AutoBullet Type: Lead Free BallBullet Weight: 125 grMuzzle Velocity: 1350 fpsRounds Per Box: 50Boxes Per Case: 20Application: Target/RangeCasing Material: BrassBullet Coating: NylonHazair: Yes